{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["location", "food", "instrument", "astronomical object"], "input": "Within a few hours of inhaling abrin , common symptoms include fever , cough , airway irritation , chest tightness , pulmonary edema ( excess fluid accumulated in the lungs ) , and nausea ."}
{"location": [], "food": [], "instrument": [], "astronomical object": []}